August Weather in Suzuka, Japan

Last updated: August 21, 2025

In August, Suzuka, Japan, experiences hot and humid weather, with maximum temperatures soaring up to 37°C (98°F) and an average of 28°C (84°F). The city faces considerable precipitation, accumulating 217 mm (8.5 in) over the month, distributed across 17 days of rain. With humidity levels averaging a sweltering 91%, the climate can feel particularly oppressive. Those planning to visit should prepare for both the heat and the frequent showers, making suitable clothing and hydration essential for enjoyable outdoor activities.

August Temperature in Suzuka

In August, Suzuka, Japan experiences its warmest temperatures of the year, with minimums hovering around 19°C (67°F) and average highs reaching a sweltering 28°C (84°F). This peak warmth is accentuated by maximum temperatures that can soar up to 37°C (98°F), creating a vibrant summer atmosphere. Comparing the trends, August stands out as a significant contrast to the cooler months of winter, where January temperatures drop to a frigid -6°C (21°F). As summer progresses from July's already high averages, it's evident that August not only maintains the heat but also encapsulates the essence of a hot Japanese summer, enticing visitors to indulge in outdoor activities and local festivals surrounded by lush greenery and vibrant landscapes.

August Weather in Suzuka: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Suzuka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suzuka, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec414250586773808376665545
Data source: Temperature data for Suzuka generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Suzuka

In August, Suzuka experiences a significant shift in precipitation, receiving approximately 217 mm (8.5 in) of rain over 17 days. This marks a departure from the heavier downpour seen in July, which totaled 319 mm (12.6 in), but still indicates that summer storms persist. The blend of warm temperatures and moisture during August contributes to a humid atmosphere and sporadic showers, signaling the tail end of the rainy season. Interestingly, this month typically aligns with higher precipitation amounts compared to earlier summer months, indicating a climatic trend where late summer sees a moderate yet steady rainfall pattern that supports local ecosystems and agriculture alike.

August Precipitation Trends in Suzuka

The chart displays monthly precipitation patterns in Suzuka, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Suzuka, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec50561451461731773192171842835359
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Suzuka

In August, Suzuka, Japan experiences a notable humidity level of 91%, making it one of the more humid months of the year. This aligns with the trend of rising humidity as summer progresses, which peaks in July at 93%, before maintaining a slightly lower but still high level in August. The overall pattern reveals that humidity in Suzuka tends to escalate during the warmer months, with June also experiencing elevated levels at 87%. As autumn approaches in September, humidity begins to decline to 87%, hinting at a subtle shift towards drier conditions. The data illustrates a distinct seasonal rhythm in humidity, with a significant peak in the height of summer, shaping the overall climate experience in this vibrant region of Japan.

August Average Humidity in Suzuka

This chart illustrates the average monthly humidity levels in Suzuka, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Suzuka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Suzuka

In August, Suzuka, Japan, experiences a peak UV Index of 11, classifying it in the extreme exposure category. With a burn time of just 10 minutes, the intense sun during this month signals the importance of protection. This trend of high UV levels begins in May and persists through July, indicating a summer season where sun safety becomes paramount. As the months progress, the UV Index transitions back to a very high level in September, reminding residents and visitors to remain vigilant about sun exposure. For more detailed information on the UV Index throughout the year, visit Suzuka UV Index.

Maximum UV Index Levels in Suzuka for August

The chart shows the monthly maximum UV Index (UVI) for Suzuka in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Suzuka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Suzuka August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Suzuka

August in Suzuka, Japan, shines brightly as the month with the most hours of sunshine, totaling 292 hours. This peak is a delightful culmination of a steady increase from the winter months, where sunshine hours gradually rise from 179 in January to a notable 283 in May. The warm embrace of summer sees June and July maintain robust figures, yet August clearly outshines them all. Following this sun-soaked month, September's hours dip to 235, suggesting a gentle transition into autumn. Overall, the data illustrates a vibrant progression towards longer, sunlit days, making Suzuka a radiant spot during the peak of summer!

Monthly Sunshine Duration in Suzuka: August Highlighted

The August sunshine duration represents the total number of hours Suzuka experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec179h221h261h271h283h264h249h292h235h231h231h215h
Data source: Suzuka August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Suzuka During August

In Suzuka, Japan, the likelihood of sunny weather in August stands at a modest 26%, reflecting a trend of diminishing sunshine that begins in the summer months. This percentage is lower than the yearly average, with July experiencing a 30% chance of sun, indicating a slight decline as the peak of summer gives way to early signs of autumn. Conversely, the later months of the year, particularly October and November, demonstrate an encouraging resurgence, showcasing probabilities of 52% and 61% for sunny days, respectively. Thus, while August may not be the sunniest month, the promising forecasts in the months that follow offer a glimmer of hope for those seeking a brighter horizon.

Percentage of Sunny Days in August in Suzuka

The chart illustrates the percentage of sunny days in Suzuka throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Suzuka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%50%41%46%26%22%30%26%28%52%61%58%
Data source: Suzuka August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Suzuka in August

In August, Suzuka, Japan, enjoys a remarkable 13 hours of daylight, continuing the trend of long summer days that peaked in June and July with 14 hours. As summer progresses, the daylight begins to wane, giving way to shorter days as the year transitions into fall. This pattern reflects a gradual decline in daylight hours, with September dropping to 12 hours, followed by a further decrease into the 11 hours of October. The vibrant summer light in August not only invites outdoor activities but also highlights a season of abundance before the days begin to shorten, signaling the approach of autumn.

Average Daylight Hours in Suzuka for August

The chart illustrates the variation in daylight duration in Suzuka throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 3m13h 59m14h 26m14h 12m13h 24m12h 21m11h 16m10h 19m9h 50m
Data source: Suzuka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Suzuka

In August, Suzuka experiences a gentle shift in its breeze, with an average wind speed of 2.7 m/s (6 mph). As the summer wanes, the wind gradually picks up from the calmest months of July, which saw the lowest speeds at 2.1 m/s (5 mph). This slight increase suggests a refreshing transition towards the arrival of autumn, though the overall summer months remain characterized by light winds, with June and July reflecting the calm before the seasonal change. Notably, while March through April maintain a consistent 3.6 m/s, August's trends hint at a gradual decline into more moderate and pleasantly warm air, setting the stage for the cooler breezes of fall. As the year progresses, wind speeds fluctuate mildly, yet August stands out as a month where the lightness of the air embodies the relaxed spirit of summer in Suzuka.

Average August Wind Speed in Suzuka

The chart displays monthly wind speed patterns in Suzuka, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.63.63.62.92.52.12.7 m/s2.42.72.93.3
Data source: Suzuka August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Suzuka Compares to Other Months

Weather in Suzuka varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Suzuka, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present stark contrasts in weather conditions. August boasts warm temperatures with a minimum of 19°C (67°F) and an average of 28°C (84°F), peaking at a scorching 37°C (98°F). This month is also characterized by high humidity at 91% and considerable rainfall of 217 mm (8.5 in) over 17 days. In contrast, January's climate is much cooler, featuring a minimum temperature of -6°C (21°F) and an average of 5°C (41°F), with a maximum of only 16°C (62°F). It experiences significantly less precipitation, totaling 50 mm (2.0 in) over just 7 days, along with a slightly lower humidity level at 82%. For more detailed information about January weather in Suzuka, visit Suzuka weather in January.

August and February present stark contrasts in weather. In August, temperatures soar with a minimum of 19°C (67°F) and peak at a blistering 37°C (98°F), while the average hovers around 28°C (84°F). High humidity at 91% and significant rainfall of 217 mm (8.5 in) over 17 days leave the month feeling sultry. In contrast, February experiences a chilly climate, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 21°C (69°F), and an average of only 6°C (42°F). Precipitation is much lower at 56 mm (2.2 in) over just 5 days, accompanied by a humidity level of 79%. For more detailed insights, you can check out Suzuka weather in February.

In August, the weather is warm and humid, with temperatures ranging from a comfortable 19°C (67°F) at night to a scorching maximum of 37°C (98°F) during the day. The month is quite rainy, averaging 217 mm (8.5 in) of precipitation over 17 days, contributing to a muggy humidity level of 91%. In contrast, March is significantly cooler, with temperatures fluctuating between a chilly minimum of -1°C (31°F) and a pleasant maximum of 24°C (75°F), resulting in an average temperature of 10°C (50°F). March experiences less precipitation, around 145 mm (5.7 in) spread over 11 days, and a lower humidity of 74%. For a deeper dive into March's weather specifics, you can visit Suzuka weather in March.

In comparing the weather of August and April, there is a stark contrast in temperature and humidity. August is significantly warmer, with average temperatures reaching up to 28°C (84°F) and maximums soaring to 37°C (98°F), while April is much cooler, with an average of only 14°C (58°F) and maximums of 27°C (81°F). Humidity levels are also notably higher in August at 91%, compared to April's 76%. Additionally, August experiences more precipitation, with 217 mm (8.5 inches) over 17 days, compared to April's 146 mm (5.7 inches) over just 10 days, making April a relatively drier month. For more detailed information on April's weather, you can visit Suzuka weather in April.

In comparing the weather between August and May, August is significantly warmer and more humid. While May features a cooler temperature range with a minimum of 5°C (42°F) and an average of 19°C (67°F), August experiences much higher temperatures, peaking at 37°C (98°F) and averaging around 28°C (84°F). Additionally, August encounters substantial rainfall, with 217 mm (8.5 in) over 17 days, while May has less precipitation at 173 mm (6.8 in) across 11 days. The humidity also rises in August to 91%, compared to May's 83%, contributing to a distinctly different feel during these months. For a closer look at the weather patterns, check out Suzuka weather in May.

When comparing the weather in August and June, a notable difference is the temperature range. August tends to be much warmer, with average temperatures around 28°C (84°F) and highs reaching up to 37°C (98°F), while June has milder temperatures averaging 23°C (73°F) and a maximum of 32°C (90°F). Additionally, August experiences higher humidity at 91%, compared to June's 87%. Precipitation is also more pronounced in August, with around 217 mm (8.5 in) over 17 days, compared to June's 177 mm (7.0 in) across 14 days. For more detailed insights, you can check out Suzuka weather in June.

In comparing the weather of August and July, both months share a similar minimum temperature of 19°C (67°F) and reach maximums of nearly 37°C (98°F). However, August has a slightly warmer average temperature of 28°C (84°F), compared to July's 27°C (80°F). Precipitation levels in August are lower, with 217 mm (8.5 in) falling over 17 days, while July experiences more rain, totaling 319 mm (12.6 in) over 23 days. Humidity remains high in both months, recorded at 91% in August and 93% in July. For those interested in a more detailed look at July's weather, you can visit Suzuka weather in July.

August typically presents hotter weather compared to September, with average temperatures reaching 28°C (84°F) and maximums soaring to 37°C (98°F) in August, while September shows a slightly cooler average of 24°C (76°F) and a maximum of 36°C (98°F). Both months experience considerable humidity, with August recorded at 91% and September slightly lower at 87%. Precipitation levels are also noteworthy; August sees 217 mm (8.5 in) over 17 days, whereas September receives 184 mm (7.2 in) across 16 days. For more detailed information, you can check Suzuka weather in September.

August and October present contrasting weather patterns. In August, temperatures soar with a minimum of 19°C (67°F) and an average of 28°C (84°F), peaking at a sweltering 37°C (98°F). The month is characterized by high humidity at 91% and considerable rainfall, averaging 217 mm (8.5 in) over 17 days. In contrast, October offers a much cooler climate, with temperatures ranging from a minimum of 7°C (46°F) to an average of 19°C (66°F), and a maximum of 31°C (88°F). Precipitation is higher at 283 mm (11.1 in), occurring over 14 days, but humidity drops slightly to 85%. For more detailed information, you can explore Suzuka weather in October.

August and November offer starkly contrasting weather conditions. In August, temperatures soar with a minimum of 19°C (67°F) and an average of 28°C (84°F), peaking at a maximum of 37°C (98°F). The month is also characterized by high humidity, reaching 91%, and frequent rainfall, accumulating 217 mm (8.5 in) over 17 days. In sharp contrast, November brings much cooler temperatures, with a minimum of 3°C (37°F) and an average of 13°C (55°F), peaking at 24°C (76°F). Precipitation decreases significantly to 53 mm (2.1 in) over just 6 days, and humidity slightly drops to 83%. For more detailed information, you can check Suzuka weather in November.

In August, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and a scorching maximum of 37°C (98°F), resulting in an average temperature of 28°C (84°F). The month experiences high humidity at 91% and substantial rainfall, with 217 mm (8.5 in) of precipitation over 17 days. In contrast, December brings a much cooler climate, where temperatures drop significantly, ranging from a minimum of -2°C (28°F) to a maximum of 21°C (70°F), and averaging only 7°C (46°F). The precipitation is notably lower at 59 mm (2.3 in) across just 7 days, along with slightly reduced humidity at 83%. For more details about December weather, visit Suzuka weather in December.

Compare Suzuka's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Suzuka

August in Suzuka is characterized by sweltering temperatures and high humidity, setting it apart from the milder months of spring and autumn. With an average temperature that peaks around 28°C (84°F) and frequent highs reaching up to 37°C (98°F), this month is undoubtedly the hottest of the year. Additionally, the heavy rainfall, recorded at 217 mm (8.5 in) over 17 days, adds a tropical feel, contrasting sharply with the drier conditions of other seasons. The sticky humidity at 91% can make outdoor activities challenging, nudging locals and visitors alike towards indoor pursuits during the peak heat. If you're planning a trip, be prepared for these intense conditions! For more on what to expect during your visit, check out Suzuka Climate.